i think that freddie's voice was in the 70s.have you got keep yourself alive version of rare live vhs?compare the version from 1974 and that from 1985...really different voice.in 1985 freddie looks really tired.
i think that in the miracle too he fights a lot to sing and of course in innuendo he has a very thin voive(of course he was pretty ill).
i also think that he sings very different after the barcelona album.maybe monserrat taught how to sing
I love every single incarnation of Freddie voice in every era.Always different and awesome,even with his own problems sometimes.
Simply the best singer ever.